Terminal accuracy with a pellet firing pistol Part 2 Part 1
The limitations of a rifled barrel blowback action semi-auto
By Dennis Adler
To be fair this is going to be a more challenging test because the same 12 gr. CO2 cartridge that had the solitary purpose of sending a 4.5mm alloy pellet downrange from a revolver now has the dual task of pushing the pellet down a rifled barrel and operating a blowback action slide. The velocity for the test gun, the new Sig Sauer P320, averaged 388 fps with Sig’s own 5.25 gr. cast alloy wadcutter pellets. With that much velocity I expected the gun to do quite well at the 45 foot distance.